EP0843380A3 - Wireless mobile communication system - Google Patents

Wireless mobile communication system Download PDF

Info

Publication number
EP0843380A3
EP0843380A3 EP97119919A EP97119919A EP0843380A3 EP 0843380 A3 EP0843380 A3 EP 0843380A3 EP 97119919 A EP97119919 A EP 97119919A EP 97119919 A EP97119919 A EP 97119919A EP 0843380 A3 EP0843380 A3 EP 0843380A3
Authority
EP
European Patent Office
Prior art keywords
radio base
base station
antenna
communication system
mobile communication
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP97119919A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0843380A2 (en
Inventor
Yoji Okada
Hiroyuki Tsuji
Tsukasa Iwama
Shigehiro Yoshimoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
National Institute of Information and Communications Technology
Sumitomo Electric Industries Ltd
Original Assignee
Communications Research Laboratory
Sumitomo Electric Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Communications Research Laboratory, Sumitomo Electric Industries Ltd filed Critical Communications Research Laboratory
Publication of EP0843380A2 publication Critical patent/EP0843380A2/en
Publication of EP0843380A3 publication Critical patent/EP0843380A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/2676—Optically controlled phased array
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/28—Cell structures using beam steering

Landscapes

  • Mobile Radio Communication Systems (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
EP97119919A 1996-11-13 1997-11-13 Wireless mobile communication system Withdrawn EP0843380A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP301484/96 1996-11-13
JP30148496A JP3997294B2 (ja) 1996-11-13 1996-11-13 移動体無線通信システム

Publications (2)

Publication Number Publication Date
EP0843380A2 EP0843380A2 (en) 1998-05-20
EP0843380A3 true EP0843380A3 (en) 1998-06-03

Family

ID=17897470

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97119919A Withdrawn EP0843380A3 (en) 1996-11-13 1997-11-13 Wireless mobile communication system

Country Status (2)

Country Link
EP (1) EP0843380A3 (ja)
JP (1) JP3997294B2 (ja)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2780817B1 (fr) * 1998-07-06 2007-09-14 Sfr Sa Procede d'orientation de faisceau(x) rayonnant(s) radioelectrique(s) pour la communication entre une station de base et un radiotelephone mobile, et station de base correspondante
KR100376298B1 (ko) * 1999-09-13 2003-03-17 가부시끼가이샤 도시바 무선통신시스템
JP3070853B1 (ja) 1999-09-20 2000-07-31 沖電気工業株式会社 光無線融合通信を用いた路車間通信方法
JP2001177864A (ja) 1999-12-15 2001-06-29 Toshiba Corp 無線通信システム、無線通信方法、および無線制御局
JP3760079B2 (ja) 2000-03-15 2006-03-29 株式会社デンソー 無線通信システム、基地局及び端末局
JP2001267990A (ja) 2000-03-21 2001-09-28 Matsushita Electric Ind Co Ltd アレイアンテナ基地局装置
JP4502291B2 (ja) 2000-04-17 2010-07-14 国立大学法人横浜国立大学 移動体通信システム及びこのシステムに使用する基地局
EP1187254B1 (en) * 2000-09-01 2018-06-27 Nippon Telegraph And Telephone Corporation Adaptive antenna control method and adaptive antenna transmission/reception characteristic control method
US6980831B2 (en) * 2000-12-08 2005-12-27 Matsushita Electric Industrial Co., Ltd. Radio communication base state system including optical advanced base station
WO2003034621A1 (en) * 2001-09-17 2003-04-24 Matsushita Electric Industrial Co., Ltd. Control station apparatus, base station apparatus, and optical transmission method
JP2003324393A (ja) * 2002-02-26 2003-11-14 Matsushita Electric Ind Co Ltd 双方向光伝送システム並びにそれに用いられる親局及び子局
GB2390955A (en) * 2002-07-18 2004-01-21 Hewlett Packard Co A broadband wireless coverage infrastructure
JP2005354336A (ja) * 2004-06-10 2005-12-22 Matsushita Electric Ind Co Ltd 信号伝送システムおよび信号伝送方法
JP2006261748A (ja) * 2005-03-15 2006-09-28 Mitsubishi Electric Corp 光伝送アンテナ装置
JP4791158B2 (ja) 2005-11-24 2011-10-12 株式会社日立製作所 無線基地局装置および空間多重送信数制御装置
JP5983325B2 (ja) * 2012-11-07 2016-08-31 Kddi株式会社 Ｒｆ信号光伝送システム
WO2014091221A1 (en) * 2012-12-11 2014-06-19 Bae Systems Plc Time modulated antenna array with optical switches
EP2744042A1 (en) * 2012-12-11 2014-06-18 BAE Systems PLC Time modulated antenna array with optical switches
EP3605880B1 (en) * 2017-05-23 2024-01-17 Mitsubishi Electric Corporation Base station apparatus, terrestrial station device and terrestrial antenna device
JP7309749B2 (ja) * 2018-10-26 2023-07-18 京セラ株式会社 基地局、交通通信システム、及び制御方法
JP7193716B2 (ja) * 2018-12-10 2022-12-21 日本電信電話株式会社 無線通信システム、親局装置及び無線通信方法
JP7164464B2 (ja) * 2019-02-21 2022-11-01 株式会社日立製作所 車上無線機、地上無線機および列車制御システム
US12009862B2 (en) 2019-11-25 2024-06-11 Nippon Telegraph And Telephone Corporation Wireless transmitting system, wireless receiving system, base station apparatus, wireless communication system, wireless transmitting method, and wireless receiving method

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0391597A2 (en) * 1989-04-04 1990-10-10 AT&T Corp. Optical fiber microcellular mobile radio
US5260968A (en) * 1992-06-23 1993-11-09 The Regents Of The University Of California Method and apparatus for multiplexing communications signals through blind adaptive spatial filtering
EP0593822A1 (en) * 1992-10-19 1994-04-27 Nortel Networks Corporation Base station antenna arrangement
WO1994009568A1 (en) * 1992-10-09 1994-04-28 E-Systems, Inc. Adaptive co-channel interference reduction system for cellular telephone central base stations
EP0595247A1 (en) * 1992-10-28 1994-05-04 Atr Optical And Radio Communications Research Laboratories Apparatus for controlling array antenna comprising a plurality of antenna elements and method therefor
US5339184A (en) * 1992-06-15 1994-08-16 Gte Laboratories Incorporated Fiber optic antenna remoting for multi-sector cell sites
WO1997000543A1 (en) * 1995-06-16 1997-01-03 Watkins-Johnson Company Method and apparatus for adaptive transmission beam forming in a wireless communication system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0391597A2 (en) * 1989-04-04 1990-10-10 AT&T Corp. Optical fiber microcellular mobile radio
US5339184A (en) * 1992-06-15 1994-08-16 Gte Laboratories Incorporated Fiber optic antenna remoting for multi-sector cell sites
US5260968A (en) * 1992-06-23 1993-11-09 The Regents Of The University Of California Method and apparatus for multiplexing communications signals through blind adaptive spatial filtering
WO1994009568A1 (en) * 1992-10-09 1994-04-28 E-Systems, Inc. Adaptive co-channel interference reduction system for cellular telephone central base stations
EP0593822A1 (en) * 1992-10-19 1994-04-27 Nortel Networks Corporation Base station antenna arrangement
EP0595247A1 (en) * 1992-10-28 1994-05-04 Atr Optical And Radio Communications Research Laboratories Apparatus for controlling array antenna comprising a plurality of antenna elements and method therefor
WO1997000543A1 (en) * 1995-06-16 1997-01-03 Watkins-Johnson Company Method and apparatus for adaptive transmission beam forming in a wireless communication system

Also Published As

Publication number Publication date
JPH10145286A (ja) 1998-05-29
JP3997294B2 (ja) 2007-10-24
EP0843380A2 (en) 1998-05-20

Similar Documents

Publication Publication Date Title
EP0843380A3 (en) Wireless mobile communication system
WO2003058984A3 (en) Wireless cellular network architecture
EP0891048A3 (en) Radio base station receiving data transmission system for uplink site diversity in a mobile communication system
EP0847209A3 (en) Super high frequency multipoint fixed-access wireless communications system
WO1999017566A3 (en) Peer-to-peer communication in radio network
CA2057544A1 (en) Communication system
EP0843904A4 (en) LOWER NETWORK ANTENNA FOR MOBILE RADIO FREQUENCY TERRESTREA COMMUNICATION SYSTEM
EP1143554A3 (en) Antenna system architecture
AU5605098A (en) Wireless communication system including a plurality of selectable antennas and wireless communications methods
EP0987860A3 (en) Radio server system
CA2110712A1 (en) Telecommunications System Using Directional Antennas
AU4115397A (en) Method and apparatus for directional radio communication
AU4066899A (en) Ground extension arrangement for coupling to ground means in an antenna system, and an antenna system and a mobile radio device having such ground arrangement
EP1175022A3 (en) Transmission antenna diversity method, base station and mobile station therefor
EP1360857A4 (en) ANTENNA SYSTEM FOR WIRELESS INFORMATION DEVICE
EP1026778A3 (en) System and method for controlling antenna downtilt/uptilt in a wireless communication network
EP0805566A3 (de) Funkstation zum Senden und Empfangen digitaler Informationen in einem Mobil-Kommunikationssystem
EP1050923A3 (en) Antenna array system having coherent and noncoherent reception characteristics
EP1041832A3 (en) Radio repeater device
EP0899810A3 (en) Vehicle antenna system
WO2001047056A3 (de) Antenne für ein kommunikationsendgerät
CA2282582A1 (en) Wireless communication device and system incorporating location-determining means
EP0704992A3 (en) Cellular communications system with multicarrier signal processing
EP1026834A3 (en) Mobile communication system having mobile stations and a base station
EP1507434A3 (en) Radio communication apparatus and radio communication method

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE DK ES FI FR GB PT

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

17P Request for examination filed

Effective date: 19980717

AKX Designation fees paid

Free format text: AT BE CH DE DK ES FI LI

RBV Designated contracting states (corrected)

Designated state(s): AT BE CH DE DK ES FI LI

RBV Designated contracting states (corrected)

Designated state(s): DE DK ES FI FR GB PT

17Q First examination report despatched

Effective date: 20011001

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20020213